There are
2,225 mi
from Dayton, OH to Mcfarland, CA
That's the driving distance. It would take 1 day 15 hours to go from Dayton, Ohio to Mcfarland, California.
The flight distance (direct flight from Dayton, OH to Mcfarland, CA) is 1,923.18 mi.
2,225 mi = 3.22 kms